The Everyday Math HELIX
|
Content
Strands |
Kindergarten |
Grade 1 |
Grade 2 |
Grade 3 |
Grade 4 |
Grade 5 |
Numeration |
Make
progress in oral counts, reading numbers and writing numbers. |
Reading
and writing numbers; investigating place-value of whole numbers; exploring
fractions and money. |
Counting;
reading and writing numbers; identifying place-value; comparing numbers;
working with fractions; using money to develop place-value and decimal
concepts. |
Counting
patterns; place-value; reading and writing whole numbers through 1,000,000;
fractions, decimals, and integers. |
Reading,
writing, and comparing whole numbers through millions, decimals through
thousandths, negative numbers to –20, and fractions; understanding relations
between fractions, decimals, and percents; locating fractions and mixed
numbers on a number line; generating equivalent fractions. |
Reading,
writing, and comparing negative numbers, fractions, whole numbers through
billions, and decimals through thousandths; reading, writing, and
interpreting whole-number powers of 10; translating between exponential and
standard notation; understanding and identifying prime numbers, composite
numbers, and square numbers. |
|
Operations and Computation |
Solve
concrete problems that arise from children’s daily life in the classroom. |
Learning
addition and subtraction facts, fact families, and extended facts; beginning
informal work with properties of numbers and problem solving. |
Recalling
addition and subtraction facts; exploring fact families; adding and
subtracting with tens and amounts. |
Multiplication
and division facts extended to multi-digit problems; working with properties;
operations with fractions and money. |
Using
paper-and-pencil algorithms to add, subtract, multiply, and divide
multi-digit whole numbers and decimals; using mental arithmetic to compute
exact answers and to estimate; rounding from millions to hundredths; modeling
multiplication with arrays and area; doing operations with fractions. |
Using
paper-and-pencil algorithms to add, subtract, multiply, and divide
multi-digit whole numbers and decimals; using mental arithmetic to compute
exact answers and to estimate; rounding from billions to hundredths;
translating among fractions, decimals, and percents; prime factoring;
converting between fractions and mixed numbers; adding and subtracting
fractions and mixed numbers with unlike denominators, finding least common
multiples and greatest common factors; multiplying and dividing fractions. |
|
Measurement and Reference
Frames |
Using
games, activities and everyday activities to explore the concepts of telling
time and measuring time duration; beginning understanding of toes of measure. |
Using
tools to measure length, capacity, and weight; using clocks, calendars,
timelines, thermometers, and original numbers. |
Using
tools to measure length, capacity, weight, and volume; using U.S. customary
and metric measurement units. |
Recording
equivalent units of length; recognizing appropriate units of measure for
various items; finding the areas of rectangles; using multiplication arrays,
coordinate grids, thermometers, and map scales to estimate distances. |
Using tools to measure length area, volume, weight, temperature, and time; developing personal references for inches, centimeters, feet, meters, and yards; estimating lengths and weights; finding areas and perimeters of rectangles, parallelograms, and triangles; finding volumes of rectangular prisms by counting cubic units; calculating elapsed time; using correct units in all measurements; calculating distances using map scales. |
Measuring
and estimating length, area, volume, weight, and capacity; converting and
computing with common units of measure; creating scale drawings. |
|
Content
Strands |
Kindergarten |
Grade 1 |
Grade 2 |
Grade 3 |
Grade 4 |
Grade 5 |
Data and Chance |
Gathering
information, displaying it, discussing it and explaining the results and
making count comparisons. |
Collecting,
organizing and displaying data using tables, charts, and graphs; exploring
concepts of chance. |
Collecting,
organizing and interpreting data using tables, charts, and graphs; exploring
concepts of chance. |
Creating,
reading, and interpreting graphs; identifying landmarks in data sets,
including range, median, mode, and mean; listing all possible outcomes in
simple situations; using fractions to quantify probabilities; using
experimental results to make predictions. |
Data
and Chance Creating, reading, and interpreting graphs; identifying landmarks
in data sets, including range, median, mode, and mean; listing all possible
outcomes in simple situations; using fractions to quantify probabilities;
using experimental results to make predictions. |
Comparing
probabilities for different outcomes; comparing theoretical and experimental
probabilities; expressing probabilities as fractions, decimals, and percents;
drawing justifiable conclusions from data; displaying data in more than one
way; formulating a question, carrying out a survey or experiment, recording
data, and communicating results; drawing and interpreting circle graphs and
stem and leaf plots; understanding measures of central tendency (mean, me
mode). |
|
Geometry |
Varied
experiences with 2- and 3-dimensional shapes. |
Exploring
2- and 3-dimensional shapes. |
Exploring
2- and 3-dimensional shapes; classifying polygons. |
Exploring
2- and 3-dimensional shapes and other geometric concepts. |
Geometry
Locating points on a coordinate grid; drawing and measuring angles;
classifying angles as acute, obtuse, or right; classifying lines as parallel,
intersecting, or perpendicular; recognizing and using transformations,
including reflections and rotations; understanding the relationship between
reflections and line symmetry; building 3-dimensional shapes; describing,
comparing, and analyzing 2-dimensional and 3-dimensional figures. |
Geometry
Constructing a circle with a given radius or diameter; defining and creating
tessellations; measuring and drawing angles, including reflex and straight
angles; identifying and defining right, isosceles, and equilateral triangles;
plotting points in four quadrants; using translations, reflections, and
rotations; solving perimeter, area, and volume problems; understanding the
relationship between the volumes of cones/pyramids and cylinders/prisms;
finding the surface area of a cube and the area of a circle; identifying
angle relationships in triangles and in quadrilaterals. |
|
Patterns Functions and
Algebra |
Beginning
to explore attributes, patterns, sequences, relations and functions;
introduction to “What’s My Rule?” problems. |
Exploring
attributes, patterns, sequences, relations, and functions; finding missing
numbers and rules in Frames-and-Arrows and “What’s My Rule?” problems;
studying properties of operations. |
Exploring
number patterns, rules for number sequences, relations between numbers, and
attributes. |
Finding
patterns on the number grid; solving Frames-and-Arrows puzzle having two
rules; completing variations of “What’s My Rule?” activities; exploring the
relationship between multiplication and division; using parentheses in
writing number models; naming missing parts of number models. |
Using
letters and other symbols for unknowns; simplifying expressions containing
parentheses; creating, extending, and describing patterns; using formulas for
finding the area of simple geometric figures; determining rules that relate
numbers in pairs; finding missing numbers in tables; translating among
verbal, numerical, and graphical representations; understanding and writing
number models for number stories. |
Patterns,
Functions, and Algebra Evaluating simple algebraic expressions; finding rules
for patterns; finding the nth term in a sequence; solving simple open number
sentences and simple rate problems; working with equations by doing the same
thing to both sides; understanding simple direct proportion; using variables
and equations to represent situations; graphing ordered pairs; translating
among verbal, numerical, and graphical representations. |